Pass themes folder as parameter

src/bootstrap/test.rs

@@ -451,7 +451,9 @@ impl Step for RustdocTheme {
     fn run(self, builder: &Builder) {
         let rustdoc = builder.rustdoc(self.compiler.host);
         let mut cmd = Command::new(builder.config.python.clone().expect("python not defined"));
-        cmd.args(&["src/tools/rustdoc-themes/test-themes.py", rustdoc.to_str().unwrap()]);
+        cmd.args(&[builder.src.join("src/tools/rustdoc-themes/test-themes.py").to_str().unwrap(),
+                   rustdoc.to_str().unwrap(),
+                   builder.src.join("src/librustdoc/html/static/themes").to_str().unwrap()]);
         cmd.env("RUSTC_STAGE", self.compiler.stage.to_string())
            .env("RUSTC_SYSROOT", builder.sysroot(self.compiler))
            .env("RUSTDOC_LIBDIR", builder.sysroot_libdir(self.compiler, self.compiler.host))

src/librustdoc/lib.rs

@@ -332,10 +332,10 @@ pub fn main_args(args: &[String]) -> isize {
             print!(" - Checking \"{}\"...", theme_file);
             let (success, differences) = theme::test_theme_against(theme_file, &paths);
             if !differences.is_empty() || !success {
-                eprintln!(" FAILED");
+                println!(" FAILED");
                 errors += 1;
                 if !differences.is_empty() {
-                    eprintln!("{}", differences.join("\n"));
+                    println!("{}", differences.join("\n"));
                 }
             } else {
                 println!(" OK");
@@ -407,13 +407,13 @@ pub fn main_args(args: &[String]) -> isize {
                                             .iter()
                                             .map(|s| (PathBuf::from(&s), s.to_owned())) {
             if !theme_file.is_file() {
-                eprintln!("rustdoc: option --themes arguments must all be files");
+                println!("rustdoc: option --themes arguments must all be files");
                 return 1;
             }
             let (success, ret) = theme::test_theme_against(&theme_file, &paths);
             if !success || !ret.is_empty() {
-                eprintln!("rustdoc: invalid theme: \"{}\"", theme_s);
-                eprintln!("         Check what's wrong with the \"theme-checker\" option");
+                println!("rustdoc: invalid theme: \"{}\"", theme_s);
+                println!("         Check what's wrong with the \"theme-checker\" option");
                 return 1;
             }
             themes.push(theme_file);

src/librustdoc/theme.rs

@@ -348,7 +348,7 @@ c // sdf
 d {}
 "#;
         let paths = load_css_paths(text.as_bytes());
-        assert!(paths.children.get(&CssPath::new("a b c d".to_owned())).is_some());
+        assert!(paths.children.contains(&CssPath::new("a b c d".to_owned())));
     }
 
     #[test]

src/tools/rustdoc-themes/test-themes.py

@@ -17,7 +17,6 @@
 import sys
 
 FILES_TO_IGNORE = ['main.css']
-THEME_DIR_PATH = "src/librustdoc/html/static/themes"
 
 
 def print_err(msg):
@@ -31,14 +30,15 @@ def exec_command(command):
 
 
 def main(argv):
-    if len(argv) < 1:
+    if len(argv) < 2:
         print_err("Needs rustdoc binary path")
         return 1
     rustdoc_bin = argv[0]
-    themes = [join(THEME_DIR_PATH, f) for f in listdir(THEME_DIR_PATH)
-              if isfile(join(THEME_DIR_PATH, f)) and f not in FILES_TO_IGNORE]
+    themes_folder = argv[1]
+    themes = [join(themes_folder, f) for f in listdir(themes_folder)
+              if isfile(join(themes_folder, f)) and f not in FILES_TO_IGNORE]
     if len(themes) < 1:
-        print_err('No theme found in "{}"...'.format(THEME_DIR_PATH))
+        print_err('No theme found in "{}"...'.format(themes_folder))
         return 1
     args = [rustdoc_bin, '-Z', 'unstable-options', '--theme-checker']
     args.extend(themes)